#!/usr/bin/tclsh
# **********************************************************
# Copyright (c) 2017 Google, Inc.    All rights reserved.
# **********************************************************

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# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of Google, Inc. nor the names of its contributors may be
#   used to endorse or promote products derived from this software without
#   specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.

# Code style check for use with vera++:
# Check for missing spaces after control keywords.
foreach fname [getSourceFileNames] {
    foreach token [getTokens $fname 1 0 -1 -1 {catch for if return switch while}] {
        set value [lindex $token 0]
        set nline [lindex $token 1]
        set ncol [lindex $token 2]
        set toklen [string length $value]
        set rest [getTokens $fname $nline [expr $ncol + $toklen] [expr $nline + 1] -1 {}]
        set next [lindex $rest 0]
        # We see "(xxx, return)" in Windows header annotations.
        if {([lindex $next 3]) != "space" &&
            ([lindex $next 3]) != "newline" &&
            ([lindex $next 3]) != "semicolon" &&
            ([lindex $next 3]) != "rightparen"} {
            report $fname $nline \
                "Missing space after control keyword: \"$value[lindex $next 0]\"."
        }
    }
}
